
1
FN6757.0
ISL12059
Low Cost and Low Power I2C Bus Real Time Clock/Calendar
Low Power and Low Cost RTC
The ISL12059 device is a low power real time clock with
clock/calendar, and 512Hz/digital output function.
The oscillator uses an external, low-cost 32.768kHz crystal.
The real time clock tracks time with separate registers for
hours, minutes, and seconds. The device has calendar
registers for date, month, year and day of the week. The
calendar is accurate through 2099, with automatic leap year
correction.
Pinout
ISL12059
(8 LD SOIC)
TOP VIEW
Features
Real Time Clock/Calendar
- Tracks Time in Hours, Minutes, and Seconds
- Day of the Week, Date, Month, and Year
512Hz Frequency Output
I2C Bus
- 400kHz Data Transfer Rate
Small Package Option
- 8 Ld SOIC Package
- Pb-Free (RoHS Compliant)
Low Cost 3V Alternative to M41T00S, DS1340 and
ISL12008
Applications
Utility Meters
HVAC Equipment
Audio/Video Components
Set-Top Box/Television
Modems
Network Routers, Hubs, Switches, Bridges
Cellular Infrastructure Equipment
Fixed Broadband Wireless Equipment
Pagers/PDA
Point Of Sale Equipment
Test Meters/Fixtures
Office Automation (Copiers, Fax)
Home Appliances
Computer Products
Other Industrial/Medical/Automotive
.
X1
X2
NC
GND
1
2
3
4
8
7
6
5
VDD
FT/OUT
SCL
SDA
Ordering Information
PART
NUMBER
(Note)
PART
MARKING
VDD RANGE
(V)
TEMP. RANGE
(°C)
PACKAGE
(Pb-Free)
PKG.
DWG. #
ISL12059IBZ
12059 IBZ
1.4 to 3.6
-40 to +85
8 Ld SOIC
M8.15
ISL12059IBZ-T*
12059 IBZ
1.4 to 3.6
-40 to +85
8 Ld SOIC (Tape and Reel) M8.15
NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100%
matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil
Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
Data Sheet
June 15, 2009
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2009. All Rights Reserved
I2C Bus
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